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Benoît NjonkouBN

Benoît Njonkou

Full Stack Java Developer

€560/day
Paris, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Benoît

Senior Full Stack Java PL/SQL Development Engineer
With 18 years of experience, I work on technically challenging projects by combining backend expertise (PL/SQL, massive data processing, APIs) and frontend. I have worked in various sectors, allowing me to quickly adapt to complex business contexts.
I particularly appreciate innovative projects, heterogeneous technical environments, and modernization missions.
My goal is to support teams in the design and evolution of robust, high-performance, and sustainable systems, while providing real technical and strategic value.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Paris (up to 50km)

Experience

  • BNP CIB ALMT IT
    Full Stack Java Developer
    January 2025 - Today (1 year and 5 months)
    KONDOR+ Project: a major solution for managing financial transactions and risks widely used in trading rooms. Within the Deal Capture team of 20 members, some of whom are in India, whose mandate is to manage the operational workflow of transactions in Kondor+, my mission is:
    • Evolutionary maintenance of Apache/PHP/C++, GWT/Java, Angular, REST API, Shell, and Python applications
    • Technical support for development and testing environments
    • Peer reviews and monitoring of the team's developers
    • 3rd level production support
    • Technical referent for the security department
    • Incident SPOC (interface with level 1 & 2 support teams)
    • Deployment SPOC (interface with the production team)
    • POCs on new technologies/solutions
    • Modernization of legacy applications
    • Design, modeling, and development of new applications:
    ◦ JAVA Technology: Java 23, Tomcat 9, Angular 20, GWT, Spring-boot, REST API, Hibernate, Sybase ASE 16;
    ◦ Development environment: VS Code, Roo Code, OpenCode, LLMs, GIT, Maven, DBeaver, MobaXterm;
    Technical Environment: JAVA/JEE, Tomcat, Angular 20, Google Web ToolKit (GWT), Hibernate, Spring-boot, Jenkins, GIT, Maven, PHP, Apache, C, C++, Shell, Python, SQL, PL/SQL, Kondor+, TIBCO, ODI, Node.js, Typescript.
    Angular JAVA/JEE; REST APIs GWT LLMs
  • Groupement des Mousquetaires - STIME
    Senior PL/SQL Developer
    RETAIL (LARGE RETAILERS)
    January 2022 - December 2024 (2 years and 11 months)
    LOREA Project: Development of a system for reconciling ARGOS and ARTIC item repositories.
    NOE Project: Evolutionary and corrective maintenance of a system for transforming item creation and modification requests from SAP to mass processing in ARGOS.
    ARGOS Project: Evolutionary and corrective maintenance of an application for referencing and managing product codes:
    • Analysis and estimation of future developments;
    • Design and development of a batch script application for mass data processing;
    ◦ Data flow management, process automation, supervision, log management, and traceability;
    ◦ Development environment: AIX/Unix, Bash Shell, Python, Oracle 12c-19c (PL/SQL), TOAD;
    • Design of application modules and implementation of services and screens;
    ◦ JAVA/J2EE Technology: JBoss and WebSphere AS as application servers, Oracle 12c-19c, Hibernate 3, EJB2, Struts2;
    ◦ Development environment: Eclipse, Serena Dimensions CM, Oracle SQL Developer;
    • Edition of PL/SQL packages for mass item processing;
    • Assistance and mentoring of junior developers;
    • Agile methodology (SCRUM);
    Technical Environment: JAVA/JEE, Hibernate 3, EJB2, JBoss v4.0, WebSphere AS v7.0, SHELL, Serena Dimensions CM, WinSCP, PuTTY, Struts2, Ajax, JQuery, Taglibs, Tiles, Hibernate Tools, Eclipse, VS Code, Ant, Python, SVN, GIT, MobaXterm, FileZilla.
  • BNP CIB ALMT IT
    Tech Lead Java
    February 2020 - December 2021 (1 year and 10 months)
    • Release process monitoring
    • Interaction with production teams of various HUBs
    • Contribution to the evolutionary maintenance of applications
    • Technical referent for other teams and systems
    • Ad hoc development contributions based on needs and urgency
    • Technical support for development and testing environments
    • Peer reviews and monitoring of the team's developers
    • 3rd level production support
    • Implementation and maintenance of CI/CD tools
    • Technical referent for the security department
    • Kondor 3.4 to 3.5 Migration SPOC
    • RedHat 6.10 to 8.6 Architecture Migration SPOC
    • Incident SPOC (interface with level 1 & 2 support teams)
    • Deployment SPOC (interface with the production team)
    • POCs on new technologies/solutions
    • Design, modeling, and development of new applications:
    ◦ JAVA/JEE Technology: Java 23, Tomcat 9, Angular 20, GWT, Spring-boot, REST API, Hibernate, Sybase ASE;
    ◦ Apache/PHP/C++ Technology
    ◦ Shell, SQL, Python Scripting
    ◦ Database: Sybase ASE SQL, PL/SQL
    ◦ Oracle Data Integrator as ETL
    ◦ Development environment Eclipse, DBeaver

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Education

  • Agile SCRUM Training AngularJs Training
    2017
    Formation Agile SCRUM Formation AngularJs
  • UML Training
    BULL SAS
    2010
    Formation UML

Skill set

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